MCQ
Mustard oil is obtained from:
- ABrassica campestris
- BBrassica oleracea
- CBoth A and B
- DCapsella bursa pastoris
Explanation:
Mustard oil is extracted from the seeds of the mustard plant (Brassica campestris), belonging to the cruciferous family of plants.
It is originally from the Mediterranean regions, but it grows easily in many parts of the world.
It has a characteristically pungent flavor and aroma.
Though this oil is nutty tasting, it is good for heart and also has many other benefits.
Mustard oil contains a high amount of selenium and magnesium, which gives it anti-inflammatory properties.
Whereas Brassica oleracea is the wild cabbage and Capsell bursa pastoris is the shepherd's purse.
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Conditions:
$1$. Burrowing in soil to escape high temperature.
$2$. Losing heat rapidly from the body during high temperature.
$3$. Bask in sun when temperature is low.
$4$. Insulating body due to thick fatty dermis.
$I.$ The transfer of energy from producers to top consumers through a series of organisms is called food chain
$II.$ A food chain is always straight and proceeds in a progressive straight line
$III.$ In a food chain, there is unidirectional flow of energy from sun to producers and subsequently to series of different types of consumers
Which of the statements given above are correct?